You're right that they are expensive, but when you consider the net present value of those dollars, it is well worth the cost (1.5% on the front end then 1.5% annually).My greater concern is from the regulatory side of things.

I'm concerned that the combined load of heat pumps and ancillary heat strips, along with other appliances, might exceed the 100-amp capacity during winter.As part of our future plans to add a third unit and separate the utilities, we intend to install two additional meters: one for common areas and one for the new unit.

However the negative reviews have been consistent for a few years, and still recently, so that is a concern.

That being said, I'm part of an experienced Syndication Group who invests not only in Multifamily, but also different asset classes:  Self Storage, Mobile Home Park, RV Park, and Retail - all to diversify the investment offerings.Reach out, and the next time we have an LP capital raise, I will send you the OM (and obviously info on our company) to review.

My biggest concern with this market is that it is very limited compared to many other larger markets. 

The struggle to understand the US culture is a major concern for me.

As mentioned if you're concerned, just keep a close eye on your credit profile during that period!

This is very well worded, and I believe covers most new investors' concerns and questions. 

I'd recommend having them help out with the contract portions, if anything to help with liability concerns.

While I have seen only good things said about PPR, one thing of concern is that even though they started  during the great recession they do not have a track record of weathering one.